MTR302/A - R302F/A - R302L/A DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
Modello/Model R302/A
Operation Instructions
1
R30
2/A
- Op
eration Instru
cti
ons
Ralco
srl
OPERATION INSTRUCTIONS
L
IGHT
/X-
RAY
F
IELD
S
ETTING
• Set the field dimensions at 100 cm FFD SID by rotating the knobs and, with the knob index,
follow the tags of the scale.
• Do not force the knobs.
• Activate the light field by pressing the related pusbutton on the collimator.
• The collimator is ready to operate.
The collimator has been designed to operate as follows:
• Supply constantly connected during operation of the equipment.
• Light source ON time for the light field is factory set at 30s (tol.20%). It is adjustable from
30 to 45 seconds via a trimmer on the timer board.
• The normal ON/OFF cycle is set at 1 minute followed by an idle time of 4 minutes to allow
for cooling time (i.e. 1 minute ON/ 4 minutes OFF).
• The field is set by the two knobs on the front panel by following the indications of the scale
with the knob index or visually with the light field.
Front Panel
WARNING
:
P
ROLONGED
LIGHTING
WITHOUT
ALLOWING
LIGHT
SOURCE
TO
COOL
CAUSES
THE
COLLIMATOR
TO
OVERHEAT
IN
THE
AREA
NEAR
THE
LIGHT
SOURCE
.
F
OR
EMERGENCIES
:
MAXIMUM
LIMIT
ADIVSED
IS
8
SUCCESSIVE
LIGHT
SOURCE
OPERATIONS
. A
LLOW
THE
COLLIMATOR
TO
COOL
(
ABOUT
10
MIN
).
B
Y
INCREASING
THE
CONSECUTIVE
"ON"
TIMES
,
THE
SUBSEQUENT
REST
PERIODS
NEED
TO
BE
EXTENDED
ACCORDINGLY
. I
T
IS
IMPRUDENT
TO
PERFORM
TWO
CONSECUTIVE
CYCLES
OF
8
ON
TIMES
.
Summary of Contents for R 302F/A
Page 4: ...MTR302 A R302F A R302L A DHHS Contents 2 ...
Page 77: ...info_cl fm ...
